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AS6318 Fiserv Solutions, LLC

CHECKFREE - Fiserv Solutions, LLC · registered in the United States

IPv4 addresses5122 prefixes · <0.001% of announced IPv4
Rank in United States#10,569largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#49,570of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryUnited States18,679 ASNs registered there
Open AS6318 in ASN lookup Look up an IP in this network (192.131.51.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

  • 192.131.51.0/24
  • 192.131.55.0/24

Other ASNs named Fiserv Solutions, LLC

11 other networks use the same organisation name; together with AS6318 they announce 165,632 IPv4 addresses.

ASNNameIPv4 addresses
AS11273FDCSGNET - Fiserv Solutions, LLC US160,000
AS26144FISERV-EFT - Fiserv Solutions, LLC US1,280
AS39992FDC-CTS-HOLDINGS - Fiserv Solutions, LLC US1,024
AS21530FISERV-EPF-OMAHA - Fiserv Solutions, LLC US512
AS11121FIRSTDATACORP-DB - Fiserv Solutions, LLC US512
AS17405FISERV-CORPORATE - Fiserv Solutions, LLC US512
AS10390TELECHECK - Fiserv Solutions, LLC US256
AS22142FISERV-EPF-CHANDLER - Fiserv Solutions, LLC US256
AS30037AS30037 - Fiserv Solutions, LLC US256
AS40466OSI-FISERV-HAWAII-DC - Fiserv Solutions, LLC US256
AS398144FOS - Fiserv Solutions, LLC US256

Similar-sized networks in United States

ASNNameIPv4 addresses
AS6091#10566 INMAR-INC - Inmar, Inc.512
AS6111#10567 FHIS - ADVENTIST HEALTH SYSTEM/SUNBELT, INC.512
AS6305#10568 AENT-AS - Alliance Entertainment512
AS6394#10570 DATA-BROADCASTING - Intercontinental Exchange, Inc.512
AS6462#10571 NATGEOGRAPH-AS - National Geographic Society512
AS6488#10572 DS6488-0 - AMUG512

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources